使用 fdisk 命令查看磁盘分区
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liuhuaqiang@shuiguotan:~$ sudo fdisk -l /dev/sdb
Disk /dev/sdb: 1.9 GiB, 2013265920 bytes, 3932160 sectors
Disk model: Flash Disk
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disklabel type: dos
Disk identifier: 0x339542e9
Device Boot Start End Sectors Size Id Type
/dev/sdb1 * 512 33279 32768 16M 83 Linux
/dev/sdb2 33792 558079 524288 256M 83 Linux